/***************************************************************************
 # Copyright (c) 2015-23, NVIDIA CORPORATION. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 #  * Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 #  * Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
 #  * Neither the name of NVIDIA CORPORATION nor the names of its
 #    contributors may be used to endorse or promote products derived
 #    from this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND ANY
 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 # OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 **************************************************************************/
#include "GlobalState.h"
#include "Core/Error.h"

namespace Falcor
{

static SceneBuilder* spActivePythonSceneBuilder;    // TODO: REMOVEGLOBAL
static ref<Device> spActivePythonRenderGraphDevice; // TODO: REMOVEGLOBAL

void setActivePythonSceneBuilder(SceneBuilder* pSceneBuilder)
{
    spActivePythonSceneBuilder = pSceneBuilder;
}

SceneBuilder& accessActivePythonSceneBuilder()
{
    if (!spActivePythonSceneBuilder)
        FALCOR_THROW("This can only be called in a Python scene building context!");
    return *spActivePythonSceneBuilder;
}

AssetResolver& getActiveAssetResolver()
{
    return spActivePythonSceneBuilder ? spActivePythonSceneBuilder->getAssetResolver() : AssetResolver::getDefaultResolver();
}

void setActivePythonRenderGraphDevice(ref<Device> pDevice)
{
    spActivePythonRenderGraphDevice = pDevice;
}

ref<Device> getActivePythonRenderGraphDevice()
{
    return spActivePythonRenderGraphDevice;
}

ref<Device> accessActivePythonRenderGraphDevice()
{
    if (!spActivePythonRenderGraphDevice)
        FALCOR_THROW("This can only be called from a script executed in Mogwai or when loading a render graph file!");
    return spActivePythonRenderGraphDevice;
}

} // namespace Falcor
